CVE-2023-37580
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedSynacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data. Source description excerpt; complete tracked detail loads below.
NVD published: Jul 31, 2023 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedSynacor — Zimbra Collaboration Suite (ZCS). Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jul 31, 2023 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 458.0
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Active since: Jul 27, 2023 · CISA KEV added: Jul 27, 2023 · VulnCheck KEV added: Jun 29, 2023 · ENISA added: Jul 27, 2023 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
Loading the full tracker evidence record…